Serial monitordeki hex değerlerini işlemede yardım

#include "le3dp_rptparser.h" 
   
  JoystickReportParser::JoystickReportParser(JoystickEvents *evt) : 
  	joyEvents(evt) 
  {} 
   
  void JoystickReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) 
  { 
  	bool match = true; 
   
  	// Checking if there are changes in report since the method was last called 
  	for (uint8_t i=0; i<RPT_GAMEPAD_LEN; i++) { 
  		if( buf[i] != oldPad[i] ) { 
  			match = false; 
  			break; 
  		} 
    } 
    	// Calling Game Pad event handler 
  	if (!match && joyEvents) { 
  		joyEvents->OnGamePadChanged((const GamePadEventData*)buf); 
   
  		for (uint8_t i=0; i<RPT_GAMEPAD_LEN; i++) oldPad[i] = buf[i]; 
  	} 
  } 
   
  void JoystickEvents::OnGamePadChanged(const GamePadEventData *evt) 
  { 
  	Serial.print("X: "); 
  	PrintHex<uint16_t>(evt->x, 0x80); 
  	Serial.print(" Y: "); 
  	PrintHex<uint16_t>(evt->y, 0x80); 
  	Serial.print(" Hat Switch: "); 
  	PrintHex<uint8_t>(evt->hat, 0x80); 
  	Serial.print(" Twist: "); 
  	PrintHex<uint8_t>(evt->twist, 0x80); 
  	Serial.print(" Slider: "); 
  	PrintHex<uint8_t>(evt->slider, 0x80); 
    Serial.print(" Buttons A: "); 
  	PrintHex<uint8_t>(evt->buttons_a, 0x80); 
  	Serial.print(" Buttons B: "); 
  	PrintHex<uint8_t>(evt->buttons_b, 0x80); 
  	Serial.println(""); 
  }